@misc{indiciae027373add57f,
  title = {Chromatic Discrimination in a Cortically Colour Blind Observer.},
  author = {C. A. Heywood and A. Cowey and F. Newcombe},
  year = {1991},
  doi = {10.1111/j.1460-9568.1991.tb01676.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/12106466/},
  note = {Source identifier: 12106466}
}